Справочник Пользователя для Iotek Systems LLC HXC900
HXC Client Module User Guide
Version 1.09
© 2017 All rights reserved. Iotek Systems, LLC
Page 31 of 59
This command provides a way to send ASCII bytes on a dedicated port number, with
acknowledgment configuration (Confirmed/Unconfirmed). The confirmed message takes
8 attempts to receive ACK from Network Server before it goes back to sleep.
Format: AT+SEND=<ack>,<port>:<ASCII bytes>
<ack> = 0(:Unconfirmed) or 1(:Confirmed)
<port>= 1 to 223
acknowledgment configuration (Confirmed/Unconfirmed). The confirmed message takes
8 attempts to receive ACK from Network Server before it goes back to sleep.
Format: AT+SEND=<ack>,<port>:<ASCII bytes>
<ack> = 0(:Unconfirmed) or 1(:Confirmed)
<port>= 1 to 223
AT+SEND?
>>>
Send ASCII Bytes
>>>
OK
// Unconfirmed message in Class A
AT+SEND=0,12:T=32.32F
>>>
OK
>>>
txDone
>>>
rx1TimeOut
>>>
rx2TimeOut
// Unconfirmed message in Class C. In Class C there aren’t any rx2Timeout.
// Class C always listens on Receive Window 2
AT+SEND=0,12:T=32.32F
// Class C always listens on Receive Window 2
AT+SEND=0,12:T=32.32F
>>>
OK
>>>
txDone
>>>
rx1TimeOut
// Confirmed message – with ACK received from NS
AT+SEND=1,12:T=32.32F
>>>
OK
>>>
txDone
>>>
rxDone
// Confirmed message – with no ACK from NS in Class A
AT+SEND=1,12:T=32.32F
AT+SEND=1,12:T=32.32F
>>>
OK
>>>
txDone
// 1
st
attempt
>>>
rx1TimeOut
>>>
rx2TimeOut
… … …
>>>
txDone
// 8
th
attempt
>>>
rx1TimeOut
>>>
rx2TimeOut
Users can receive AT_BUSY_ERROR if the command is used during a LoRa transmission
(Join, Packet Send or Continuous Tx).
(Join, Packet Send or Continuous Tx).